package com.itheima.reggie.service;

import com.baomidou.mybatisplus.extension.service.IService;
import com.itheima.reggie.entity.ShoppingCart;
import org.springframework.transaction.annotation.Transactional;

@Transactional
public interface IShoppingCartService extends IService<ShoppingCart> {
    public ShoppingCart add(ShoppingCart shoppingCart);

    public ShoppingCart sub(ShoppingCart shoppingCart);
}
